<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>注册</title>
    <style media="screen">
      .aa{width: 70%;margin: 0 auto;text-align: center;}
    </style>
  </head>
  <body>
    <div class="aa">
      <form class="" action="a.php" method="post">
        title:<input type="text" name="title" value=""><br>
        autho:<input type="text" name="autho" value=""><br>
        description:<textarea name="content" rows="8" cols="50"></textarea><br>
        <span>content</span><br>
        <textarea name="content" rows="10" cols="50"></textarea>
        <input type="submit" name="" value="提交">
      </form>
    </div>

  </body>
</html>
